Process for improving the properties of ground recycled rubber
US5883139A · kind A · utility
22Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1998 |
| Grant date | Mar 16, 1999 |
| Priority date | — |
| Expiry date | Feb 20, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L21/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process involving (a) homogeneously dispersing tetrathiodipropionic acid in a recycled rubber having an individual particle size no greater than 420 microns, (b) mixing the treated recycled rubber with unvulcanized rubber and (c) vulcanizing the rubber mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.